Review: Function Junction

Review: Function Junction

Unit 3 Test on Thursday, 1/21/21

Function Junction Cumulative Assessment

On Monday you will have a 24 question (7H) or a 20 question (8) TEST over Function Junction.

The test is a MAJOR EVALUATION & will count for 60% of your grade.

You may use all of your notes in your Unit 3 VINB to help you with the test & your calculator!

Multiple Choice

Is this graph linear or nonlinear?

• Linear

• nonlinear

Multiple Choice

Is this graph linear?

• Linear

• Nonlinear

Multiple Choice

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

Multiple Choice

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar

• 6 cookies per dollar

• 9 cookies per dollar

• 1/9 dollars per cookie

Multiple Choice

• Function

• Not a Function

Multiple Choice

Does this table show a function?

• Yes

• No

Multiple Choice

Does this represent a function?

• Yes

• No

Poll

The set of ordered pairs below represent a relation that is a function.

{(2, -8), (4, -6), (10, -4)}

What point, when added to the set, would for a relation that is NOT a function?

• (0, 8)

• (4, 6)

• (3, 4)

• (5, 10)

Multiple Choice

Which panda is growing faster?

• Mochi

• Kappa

• Panda

• Jack Black

Multiple Choice

Who has the greater rate of change?

• Smith has the greater rate of change.

• Harmon has the greater rate of change.

• Macey has the greater rate of change.

• They have the same rate of change

Multiple Choice

Which of the following could be the slope-intercept equation of the graph below?

• $y\ =\ 4x\ +\ 2$
  

• $y\ =\ -4x\ -\ 2$
  

• $y\ =\ -\frac{1}{4}x\ +\ 2$
  

• $y\ =\ \frac{1}{4}x\ +\ 2$

Multiple Choice

What type of slope does this graph show?

• Positive

• Negative

• Zero

• Undefined

Multiple Choice

What is the y-intercept in the equation y= -2x + 5

• -2

• 3

• 5

• Cannot be Determined

Multiple Choice

The talent show committee sold a total of 530 tickets in advance. Student tickets cost $3 each and the adult tickets cost $4 each. If the total receipts were $1740, which system could be used to find how many of each type of ticket were sold?

• S + A = 530

  3S + 4A = 1740

• S + A = 530

  4S + 3A = 1740

• S + A = 1740

  3S + 4A = 530

• S + A = 1740

  4S + 3A = 530

Multiple Choice

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Multiple Choice

Which of the following could be the slope-intercept equation of the graph shown?

• $y\ =\ 4x\ -\ 2$

• $y\ =-4x\ +2$

• $y\ =\ \frac{1}{4}x\ -\ 2$

• $y\ =\ \frac{1}{4}x\ +\ 2$

Multiple Choice

What is the equation of a line when m = -3 and b = 5?

• y = -3x + 5

• y = -3x - 5

• y = 5x + 3

• y = -5x - 3

Multiple Choice

What does "m" represent in y=mx+b?

• y-intercept

• slope

• macaroni

• nothing

Multiple Choice

• $10

• $7

• $7.50

• $10.50

Open Ended

Judah can run 3 miles in 1/2 hour. How many miles can he run in 2 hours?

Multiple Choice

Which of the situations below represent a proportional relationship?

• The cost of a gym is $30 a month plus a $25 sign-up fee

• Spotify premium is $5 a month for 12 months

• Apple music is $5.99 a month plus a $10 sign-up fee

• Netflix is $10 a month plus a $5 fee for multiple-users

Multiple Choice

Which of the situations below represents a non-proportional relationship?

• total distance traveled and number of hours traveled, if John drove his car at a constant rate of 60 miles per hour for 2 hours

• total earnings and number of hours spent babysitting, if Carrie babysat for 4 hours at a rate of $8 per hour

• total fees charged and number of carpeted rooms cleaned, if a carpet cleaning company charges $40 for the first room and $25 for each additional room

• total savings and number of weeks spent saving, if Jeremy saved $10 each week for 6 weeks

Multiple Choice

Zoey has 15 toys in her toy box and she adds 2 new toys every month. Which representation best shows the relationships between the number of toys Zoey had in her toy box, y, and the number of months that have passed?

Multiple Choice

The Rug store installs carpet for $80 plus $9.50 per square yard of carpet. The Magic Carpet charges $120 for installation and $7.50 per square yard of carpet. Write an inequality that could be used to determine the number of square yards of carpet that need to be installed for The Rug Store to charge more than The Magic Carpet.

• 80+9.50x > 120+7.50x

• 80+9.50x < 120+7.50x

• 80x+9.50 > 120x+7.50

• 80x+9.50 < 120x+7.50

Multiple Choice

Triangles ABC and DEF are similar. The slope of triangle ABC is...

• 1 which is the same as the slope of triangle DEF.

• 3/4 which is the slope of hypotenuse of triangle DEF.

• 4/3 which is the slope of triangle DEF.

• -1 which is the same as the slope of triangle DEF.

Multiple Choice

Does the graph show a proportional relationship?

• Yes

• No

Multiple Choice

Carol wants to join a dance studio. Studio A charges $100.00 for the entry fee and $45.00 per class, while Studio B charges $125.00 for the entry fee and $30.00 per class. Write an equation to determine how many classes would need to be taken for the price to be equal?

• 125 - 100 = 45x + 30x

• 100x + 45 = 125x + 30

• 100 + 45x = 125 + 30x

• 100 - 45x = 125 - 30x

Multiple Choice

Which of the following situations can be represented by this equation?

4x + 5 = 10x

• Eden played a game where she scored 9 points an hour. Zelan played the same game and scored 10 points an hour. What is x, the number of hours that Eden and Zelan would each have to play the game in order for their scores to be the same?

• Emederick spends 5 hours playing 2K. Jaiden spends 10 hours playing 2K. What is x, the number of hours that Emederick and Jaiden have to play 2K in order for them to have played for the same number of hours?

• Leo makes $4 per hour plus $5. Jairo makes $10 an hour. At how many hours will Leo & Jairo have the same amount of money?

• Cyreana texts 4 words a minute. Zoe texts 10 words a minute. What is x, the number of minutes that Cyreana and Zoe have to spend texting in order to text the same number of words?

Good luck on your test on Thursday!! REMEMBER TO USE YOUR NOTES!!